Dr. Samuel N. Markowitz is a Professor of Ophthalmology and Vision Sciences at the University of Toronto, Toronto, Canada. He is one of the leading low vision rehabilitation specialists in Canada and worldwide. His active practice is covering all aspects of low vision rehabilitation including pediatric low vision. He is an active University teacher in low vision rehabilitation and involved in many leading research projects. Dr. Markowitz published many research papers in leading journals worldwide.

Active research and practice involvement is in the following domains: accessibility and barriers to low vision rehabilitation, characteristics of scotomata and of preferred retinal loci, identification of residual potential visual acuity, rehabilitation with surgical telescopic magnification, and with prisms towards PRL, rehabilitation of residual oculomotor characteristics including stereopsis, fixation location and fixation stability, microperimetry assessment, residual chromatic vision, restitution of vision in older children with amblyopia, field expansion in Stroke, Retinitis Pigmentosa and end stage Glaucoma, interventions to promote brain plasticity and development of indoor navigation systems for the visually impaired and retinal prosthesis applications in low vision.

Dr. Markowitz is practicing in a multidisciplinary environment which includes occupation therapy, opticianry and vision rehabilitation specialists for enhancement of independent living skills and orientation and mobility.